Study: Climate change could change genes of the Eastern tiger swallowtail butterfly

This article discusses the impact that climate change will likely have on the Easter Tiger Swallowtail butterfly. A study published in the Proceedings of the National Academy of Sciences examines movement of the Eastern — Papilio glaucus— and Canadian — Papilio Canadensis — tiger swallowtail butterfly over a 32-year period within the geographic region where the two species mate, called the hybrid zone.

Researchers from the Environmental Change Initiative at the University of Notre Dame, Michigan State University and the University of Minnesota warn climate change can influence the geographic distribution of a species in response to changing conditions but also could affect the evolutionary trajectories of interbreeding species.

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